content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.github.eugene.kamenev.tsmp4j.algo.mp;
  
  import com.github.eugene.kamenev.tsmp4j.stats.BaseRollingWindowStatistics;
  import com.github.eugene.kamenev.tsmp4j.stats.RollingWindowStatistics;
  import com.github.eugene.kamenev.tsmp4j.stats.WindowStatistic;
  import java.util.function.Supplier;
  
  public interface MatrixProfileAlgorithm<S extends WindowStatistic, M extends MatrixProfile>
      extends Supplier<M> {
  
      default void update(double value) {
          this.rollingStatistics().apply(value);
      }
  
      default boolean isReady() {
          return this.rollingStatistics().getStatsBuffer().isFull();
      }
  
      @SuppressWarnings("unchecked")
      default M get(double[] query) {
          if (this.isReady()) {
              var qs = new BaseRollingWindowStatistics<>(this.rollingStatistics().windowSize(),
                  query.length);
              for (double v : query) {
                  qs.apply(v);
              }
              return this.get((RollingWindowStatistics<S>) qs);
          }
          return null;
      }
  
      M get(RollingWindowStatistics<S> query);
  
      RollingWindowStatistics<S> rollingStatistics();
  
  }
  